- Family: Poaceae Barnhart
- Genus: Festuca Tourn. ex L.
Festuca sororia Piper
- Genus: Festuca Tourn. ex L.
This species is accepted, and its native range is California to Missouri and New Mexico.
Descriptions
According to GrassBase - The Online World Grass Flora
[GB]- Habit
- Perennial; caespitose. Rootstock evident. Culms 40-100 cm long. Lateral branches lacking. Leaf-sheaths glabrous on surface. Ligule an eciliate membrane. Leaf-blades 20-40 cm long; 3-7 mm wide. Leaf-blade surface smooth; glabrous. Leaf-blade margins scabrous.
- Inflorescences
- Inflorescence a panicle. Panicle open; elliptic; loose; nodding; 10-15 cm long. Primary panicle branches drooping; 1-2 -nate. Spikelets solitary. Fertile spikelets pedicelled.
- Spikelets
- Spikelets comprising 3-5 fertile florets; with diminished florets at the apex. Spikelets ovate; laterally compressed; 7-12 mm long; breaking up at maturity; disarticulating below each fertile floret.
- Fertile
- Spikelets comprising 3-5 fertile florets; with diminished florets at the apex. Spikelets ovate; laterally compressed; 7-12 mm long; breaking up at maturity; disarticulating below each fertile floret.
- Glume
- Glumes persistent; similar; shorter than spikelet. Lower glume lanceolate; 3 mm long; 0.6 length of upper glume; chartaceous; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume lanceolate; 5 mm long; 0.5-0.6 length of adjacent fertile lemma; chartaceous; without keels; 3 -veined. Upper glume apex acute.
- Florets
- Fertile lemma lanceolate; 6-9 mm long; chartaceous; without keel; 5 -veined. Lemma lateral veins distinct. Lemma surface smooth, or scaberulous. Lemma apex acuminate; muticous, or awned; 1 -awned. Principal lemma awn 0-2 mm long overall. Palea 1 length of lemma; 2 -veined. Palea keels scabrous. Apical sterile florets resembling fertile though underdeveloped.
- Flowers
- Anthers 3.
- Fruits
- Caryopsis with adherent pericarp. Hilum linear.
- Distribution
- North America: northwest USA, southwest USA, and south-central USA.
- Reference
- Poeae. Gr SW US 1994.
Images
Distribution
Synonyms
Other Data
Festuca sororia Piper appears in other Kew resources:
Herbarium Catalogue (2 records)
Date | Reference | Identified As | Barcode | Type Status |
---|---|---|---|---|
May 1, 1981 | Baker, C.F. [178], Colorado | K000913257 | paratype | |
May 1, 1981 | Baker, C.F. [177], Colorado | K000913258 | paratype |
Bibliography
First published in Contr. U.S. Natl. Herb. 16: 198 (1913)
Accepted by
- Flora of North America Editorial Committee (2007). Flora of North America North of Mexico 24: 1-908. Oxford University Press, New York, Oxford.
- Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
Literature
Kew Backbone Distributions
- Flora of North America Editorial Committee (2007). Flora of North America North of Mexico 24: 1-908. Oxford University Press, New York, Oxford.
Sources
GrassBase - The Online World Grass Flora
http://creativecommons.org/licenses/by-nc-sa/3.0
Herbarium Catalogue Specimens
'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/
Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2019. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0
Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2019. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0